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TetraMAPS
Sequencer Specifications
Maximum versatility meets real-time control... from your iPad!
The Tetra Midi Analog Performance Sequencer (TetraMAPS) vastly improves on the
first 'MAPS' core design. Expect to use a sequencer that is more
versatile and intuitive. TetraMAPS gives you infinite virtual
tracks, modulations and multiple, real-time versions of each sequence, polyphonic sequencing,
four channels of CV output, computer network Open Sound Control
and over 24,000 notes organized as:
- 16 Sets
- of 24 Bank Tracks
- of 8 Sequences
- of 8 Steps
- of 7 parameters
- Plus multiple virtual sequences
- Per-Step Note, Pitch, Velocity, Controller
- Per-Step Duration and Note Duration
- Per-Step Glide/Slew Rate
- A full-featured four channel polyphonic MIDI to CV converter
- And Ethernet Open Sound Control (OSC) communications
- Available in multiple rack formats
Real-time Interface
Real-time Flexibility
- Continuous turn "encoder" knobs and LCD display for instantaneous access to any parameter
- Display step parameters as bar graphics, octaves, en-harmonics, or numbers
- Perform from the sequencer using its encoder knob buttons to trigger and control sequences
- Perform the sequencer remotely from a MIDI keyboard controller or mobile device
Ethernet Open Sound Control (OSC)
Real-time interface with your computer or mobile device
- Communicate with OSC enabled applications such as Lemur, TouchOSC, MAX/MSP, etc.
- Create your own virtual sequencer interface on your mobile running Lemur, TouchOSC
- Communicate in-performance chord symbols to remote mobile devices
- Network multiple TetraMAPS sequencers
Sequence Step Matrix
Moves beyond a typical MIDI Sequencer
- Real-time sequence step modes:
note, scale, detune, velocity, controller, step duration, note duration, slew rate
- Step notes are tuneable to 1/64th semitone 'un-quantized' resolution
- Force step note to one of 50 musical scales
- Per-step glide or slew rate for MIDI pitch-bend slew or portamento output
- Sequence Loop and Link for long patterns up to 1536 steps
and multiple instances thereof
- Multiple sequence track modulation sources:
A sequence or other source may modulate sequence pitch, velocity, controller, event times and more
Track modulation allows global and recursive sequence modulation
- Random step advance and pendulum modes
- Real-time control of MIDI program numbers
- Per-bank and global BPM tempos
- Ethernet input and output, 32 channel MIDI output
- Control Voltage modulation input for sequence transposition, step time and more
Variable Event Times and Durations
Moves beyond the traditional Step Sequencer
- Per-step step and note durations:
Note off, skip step to 64th, dotted, whole note and triplet durations
- Over 24,000 note memory
- Polyphonic MIDI record
- Ability to create polyphonic and monophonic sequence combinations
- Sync triggers to beat or free-time, independent to each sequence
- Sync sequence loop to bar length, independent to each sequence
- Cross-rhythms are easily generated with Bar Sync
- Step fractional time-shift modulation via sequence modulator inputs
- Programable external clock sources and timing resolution
Dynamic Sequence Triggering
Makes this the Performance Sequencer
- Concurrent triggering of each bank group of 8 sequences,
with multiple virtual sequence iterations
- Meta trigger sequences with the single turn of an encoder knob
- Sequencer trigger sources:
Sequences are knob button assignable and MIDI channel or note assignable
Sequence iterations track MIDI trigger note, velocity, note duration, and note instances
Trigger sequences with virtual Open Sound Control buttons or keyboards
- Global sequence track modulation
- Sequence cross-modulation
- Triggers sync to beat or free-time; create MIDI echo
- Sequencer trigger modes:
Multiple
sequences follow all trigger instances
Multiple Arp
multiple sequence note trigger taken as an arpeggiated note
Single
sequence follows monophonic trigger
Duration Follow
sequence note duration follows trigger duration
Loop Hold
sequence loops while trigger is held
Run/Stop
trigger play; trigger stop
Run/Stop Arp
run/stop sequence note trigger taken as an arpeggiated note
Seq Reset
trigger play; trigger reset sequence
Release
trigger sequence_n; sequence_n+1 on trigger release
Step Play  
trigger plays the next successive step
Step Record
trigger sets step value
Step Randomize
trigger sets random step values
Chord Interpretation
interpret keyboard input as chord symbols for display
Polyphonic MIDI to Control Voltage Converter Features (MCV)
Superb Analog Voice Control
- 4 channels of full-featured MIDI to Control Voltage conversion
- Authentic mono synth emulation with 8 finger note buffer
- Configurable output ports
- 5 octave linear note range
- Volts/Octave or Volts/Hertz output scaling
- Low / High / Last note priority
- Retrigger and Recycle note modes
- Linear or Exponential portamento slew
- Mono and polyphonic pitch bend modes with variable pitch bend width
- Velocity and MIDI controller support with 16 curve modifiers, inversion and scaling
- Three programmable MIDI input channel zones
Other Analog Ports
Flexible Analog or MIDI Sync
- Analog Clock in at 4 and 24ppq
- Analog Clock out at 1, 2, 4 and 24ppq
- Analog drum DIN Sync out at 24ppq
- MIDI clock in and out at 24ppq
- External CV input for sequence modulation
File Data Exchange
- MIDI file dump data
- Flash upgradeable OS
Specifications: Input / Output
Control Voltage
4 CV outs, 4 Gate outs, 1 CV in
MIDI
in, out 1, out 2 or through
Ethernet
Open Sound Control (OSC)
Analog Clock Sync
in (TRS ring), out (TRS tip) and Drum DIN Sync 24 out
External Foot Pedal
input (TRS tip doubles for CV in)
Power
9VDC @ 300mA
Graphic Display
2 X 20 character lit LCD
Dimensions
Euro-rack 5.1 X 8.5 X 3 inches
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